DUO HOT DFR / FR 2314
Manual backwash filter for domestic hot water
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Description
DUO HOT DFR: Backwash filter with pressure reducing valve, pressure gauge and fully rotatable integrated connection flange (360°). Outlet pressure adjustable from 1.5 to 6 bar, factory-set to 4 bar. Acoustically tested, noise protection class 1. Flange made of high-quality brass alloy. DUO HOT FR: Backwash filter with fully rotatable integrated connection flange. Acoustically tested, noise protection class 1. Flange made of high-quality brass alloy.
Technical specifications
| Min. operating pressure | 2 bar |
|---|---|
| Max. operating pressure | 16 bar |
| Max. operating temperature | 80 °C |
| Medium | drinking water |
| Flow rate HOT DFR DN 20 | 2,3 m3/h at Δp 1,1 bar |
| Flow rate HOT DFR DN 25 | 2,3 m3/h at Δp 1,1 bar |
| Flow rate HOT FR DN 20 | 1,8 m3/h at Δp 0,2 bar |
| Flow rate HOT FR DN 25 | 2,3 m3/h at Δp 0,2 bar |
| Flow rate HOT FR DN 20 | 2,7 m3/h at Δp 0,5 bar |
| Flow rate HOT FR DN 25 | 3,6 m3/h at Δp 0,5 bar |
| Installation orientation | any |
| Mesh size | 90 - 125 µm |
| DN 20 | Connection A: R 3/4 |
| DN 25 | Connection A: R 1 |
| Height H | 229 mm |
| DN 20 | Length L HOT DFR: 172 mm · Length L HOT FR: 157 mm |
| DN 25 | Length L HOT DFR: 180 mm · Length L HOT FR: 165 mm |
| Dimension I | 95 mm |
| Dimension T | 120 mm |
Order numbers
| Variant / size | Order number |
|---|---|
| DUO HOT DFR DN 20 | 2314.20.004 |
| DUO HOT DFR DN 25 | 2314.25.004 |
| DUO HOT FR DN 20 | 2314.20.005 |
| DUO HOT FR DN 25 | 2314.25.005 |